package com.wangzd.springcloud.controller;

import com.wangzd.springcloud.data.CommonResult;
import com.wangzd.springcloud.entity.Payment;
import com.wangzd.springcloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * @author wangzd
 * @date 2020/12/9 17:38
 */
@RestController
@Slf4j
public class PaymentController {
    @Resource
    private PaymentService paymentService;

    @Value("${server.port}")
    private String serverPort;

    @Resource
    private DiscoveryClient discoveryClient;

    @PostMapping(value = "/payment/create")
    public CommonResult create(@RequestBody Payment payment) {
        int result = paymentService.create(payment);
        log.info("插入结果---{}：payment--:{}", result, payment);
        if (result > 0) {
            return new CommonResult(200, "插入数据库成功,serverPort" + serverPort, result);
        } else {
            return new CommonResult(444, "插入数据库失败", null);
        }
    }

    @GetMapping(value = "/payment/get/{id}")
    public CommonResult<Payment> getPaymentById(@PathVariable("id") Long id) {
        Payment payment = paymentService.getPaymentById(id);
        log.info("查询结果---：" + payment + "\t O(^_^)O~~");
        if (payment != null) {
            return new CommonResult(200, "查询成功,serverPort" + serverPort, payment);
        } else {
            return new CommonResult(444, "没有对应记录,查询ID--:" + id, null);
        }
    }

    @GetMapping("/payment/discovery")
    public Object discovery() {
        // 服务清单列表
        List<String> services = discoveryClient.getServices();
        for (String item : services) {
            log.info("service------:{}", item);
        }
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        for (ServiceInstance instance : instances) {
            log.info("instance.getInstanceId()--:{}\t instance.getHost()--:{}\t instance.getPort()--:{}\t instance.getUri()--:{}\t",
                    instance.getInstanceId(), instance.getHost(), instance.getPort(), instance.getUri());
        }
        return this.discoveryClient;
    }

    /**
     * 手写轮询的测试接口
     *
     * @return
     */
    @GetMapping("/payment/lb")
    public String getPaymentLB() {
        return serverPort;
    }

    @GetMapping("/payment/feign/timeout")
    public String paymentFeignTimeout() {
        // 暂停3秒钟，测试请求超时
        try {
            TimeUnit.SECONDS.sleep(3);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        return serverPort;
    }
}
